各位大侠,鄙人学渣,拿到这个题目沙特阿拉伯石油出口量与经济增长的互动实证研究做论文。取对数过后的数据如下obs |
SAU_E
|
SAU_G
|
1971
|
12.40551
|
22.63975
|
1972
|
12.63815
|
22.94579
|
1973
|
12.87016
|
23.39339
|
1974
|
12.98263
|
24.52973
|
1975
|
12.80645
|
24.56334
|
1976
|
13.00346
|
24.87962
|
1977
|
13.0718
|
25.02772
|
1978
|
12.9876
|
25.10639
|
1979
|
13.11713
|
25.43926
|
1980
|
13.18748
|
25.82501
|
1981
|
13.1827
|
25.93787
|
1982
|
12.79757
|
25.7531
|
1983
|
12.55635
|
25.58199
|
1984
|
12.48492
|
25.50485
|
1985
|
12.20972
|
25.36667
|
1986
|
12.56314
|
25.18874
|
1987
|
12.42334
|
25.17407
|
1988
|
12.60326
|
25.20351
|
1989
|
12.60999
|
25.28076
|
1990
|
12.82178
|
25.48354
|
1991
|
13.05136
|
25.60102
|
1992
|
13.0805
|
25.63815
|
1993
|
13.06656
|
25.60721
|
1994
|
13.04836
|
25.62354
|
1995
|
13.05468
|
25.68231
|
1996
|
13.06405
|
25.78423
|
1997
|
13.055
|
25.82917
|
1998
|
13.08468
|
25.70532
|
1999
|
13.00676
|
25.8044
|
2000
|
13.08007
|
25.96206
|
2001
|
13.06094
|
25.93282
|
2002
|
12.99554
|
25.96264
|
2003
|
13.1524
|
26.09191
|
2004
|
13.22287
|
26.2791
|
2005
|
13.27175
|
26.51768
|
2006
|
13.2639
|
26.65525
|
2007
|
13.22574
|
26.75373
|
2008
|
13.26961
|
26.9767
|
2009
|
13.17757
|
26.78495
|
2010
|
13.19571
|
26.99011
|
2011
|
13.30755
|
27.22981
|
在做单位根(ADF)检验(选用的AIC)的时候很糊涂,结果做出来如下:
然后就判断一阶单整了,做协整检验,VAR用的(1 1)滞后期
Vector Autoregression Estimates |
Date: 04/06/14 Time: 18:51
|
Sample (adjusted): 1972 2011
|
Included observations: 40 after adjustments
|
Standard errors in ( ) & t-statistics in [ ]
|
|
SAU_E
|
SAU_G
|
SAU_E(-1)
|
0.893037
|
0.429693
|
|
(0.10191)
|
(0.13193)
|
|
[ 8.76270]
|
[ 3.25705]
|
SAU_G(-1)
|
-0.032336
|
0.809028
|
|
(0.02982)
|
(0.03860)
|
|
[-1.08441]
|
[ 20.9588]
|
C
|
2.232437
|
-0.572506
|
|
(1.05947)
|
(1.37149)
|
[ 2.10712]
|
[-0.41743]
|
R-squared
|
0.736460
|
0.957051
|
Adj. R-squared
|
0.722215
|
0.954730
|
Sum sq. resids
|
0.729455
|
1.222373
|
S.E. equation
|
0.140410
|
0.181761
|
F-statistic
|
51.69812
|
412.2443
|
Log likelihood
|
23.32920
|
13.00417
|
Akaike AIC
|
-1.016460
|
-0.500209
|
Schwarz SC
|
-0.889794
|
-0.373543
|
Mean dependent
|
12.96633
|
25.63994
|
S.D. dependent
|
0.266406
|
0.854267
|
Determinant resid covariance (dof adj.)
|
0.000481
|
Determinant resid covariance
|
0.000412
|
Log likelihood
|
42.38980
|
Akaike information criterion
|
-1.819490
|
Schwarz criterion
|
-1.566158
|
模型如下
然后做JJ检验
,检验的滞后期设为(0 0),使用的α为0.05,Eviews报出的检验结果如下图所示
然后判断有协整且唯一,做长期均衡分析就成这样了。。。
虽然我知道主要是看SAU_E对SAU_G的影响,但换过来也还是负的,且系数为-2点多,赶脚是已经全盘错了的节奏,我导师说正常做下去完全做得出正常结果,我这明显是错到外婆家了哇。。。但我实在不知道哪一步细节有误还是全盘皆误,
求问正确操作应该是怎样的,以及以上正常的判断选择应该如何,我都是照葫芦画瓢做出以上的,麻烦有心相助的亲请详细一点再详细一些,图文相告,鄙人实在太笨了TOT!
接下来的误差修正和GRANGER因果,进一步分析操作也请大神们教一下怎么来做。
急坏了,这是马上交稿的大论文,现在火烧眉毛了。。。新人求助帖子又臭又长实在不好意思。。。
诸位大恩啊,感激不尽。。。在此先膜拜感谢一个